| 发明名称 |
System for reducing inertia of doors or gates uses spiral spring with polygonal or oval coils which prevents coils from twisting together if spring breaks and producing sudden increase in inertia |
| 摘要 |
<p>The system for reducing the inertia of doors or gates uses a spiral spring with polygonal or oval coils. This prevents the coils from twisting together if the spring breaks and producing a sudden increase in inertia.</p> |
| 申请公布号 |
DE102004006175(A1) |
申请公布日期 |
2005.08.25 |
| 申请号 |
DE20041006175 |
申请日期 |
2004.02.07 |
| 申请人 |
SCHIEL, KATJA;SCHIEL, HANS-JOSEF |
发明人 |
SCHIEL, HANS-JOSEF |
| 分类号 |
E05F1/10;F16F1/02;F16F1/04;(IPC1-7):F16F1/02 |
主分类号 |
E05F1/10 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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